******************************************************** Release Notes: Embedded Linux BSP V2.x for Colibri iMX7 ******************************************************** ==> For newer images find the release details in the Toradex developer article: http://developer.toradex.com/software/linux/linux-software/release-details Contents: - U-Boot 2016.11 boot loader - Linux 4.1.35 kernel, based on 4.1-2.0.x-imx branch of FSL community aka linux-fslc-imx kernel including NXP's latest 4.1.15 2.0.0 GA release changes - Angstrom 2016.12/OpenEmbedded morty/Yocto 2.2 based root file system, using LXDE desktop environment ==> Flashing instructions can be found in the Toradex developer article: http://developer.toradex.com/knowledge-base/flashing-linux-on-imx7-modules Licensing: - proprietary multimedia codecs included for evaluation purpose only - customer required to obtain proper re-distribution license ******************************************************************************** Linux Image V2.6.1 Beta 1 (September 29, 2016) - U-Boot boot loader: - backport patches needed if compiling with GCC 6 - autodetect SoC and set soc environment variable accordingly - set soc environment variable also in recovery mode (#20568) - patch device tree with serial number, product id and revision properties to make that information available in Linux - configure PMIC for suspend/sleep modes - fix writing of first firmware copy - print warning about upcoming NAND change: WARNING: This module uses an early tapeout/stepping of the i.MX 7 SoC which suffers a NAND flash issue requiring a software workaround. This U-Boot version still implements this workaround, but future U-Boot versions provided by Toradex will not use the workaround anymore. You must use a newer Colibri iMX7 (V1.1B or later) to use future software versions. For evaluation and testing purposes it will be possible to keep the current U-Boot and only update the kernel and root filesystem. - Linux kernel: - merge changes from latest NXP release 4.1.15_1.2.0_ga - backport patches needed if compiling with GCC 6 - enable audio clock earlier (and pinmux MCLK) to properly fix initialization - enable USB power (USBH_PEN) also on Colibri iMX7 Solo (required for Aster/ Orchid/Viola carrier boards) - honour native-mode in display timings node - add SODIMM pin 45 as wake-up key - control BL_ON (using the PWM backlight drivers enable-gpios property) - add PWM polarity support (#18164) - disable internal RTC on Colibri iMX7 Solo (currently not functioning) - enable USB OTG device/host detection on USBC (#19050) - improve pinmuxing (disable conflicting pinmux on multiplexed pins and fix conflicting pinmux on pins which are pulled on carrier board) - keep 240MHz system clock on which allows to start the Cortex-M4 core via JTAG - synchronize defconfig (#19484) - Linux user-space: - none - OpenEmbedded build system: - split meta-toradex into BSP layers meta-toradex-bsp-common and meta-toradex-nxp as well as the software layer meta-toradex-demos - rename the parent directory from stuff to layers - mv from build/out*/deploy to deploy - rename TMPDIR from out to tmp - deploy qt5 tools into the sdk as part of optional angstrom-qt5-x11-image.bb - sources git.toradex.com tag Colibri_iMX7_LinuxImageV2.6.1Beta1_20160929 - repository linux-toradex branch toradex_imx_4.1.15_1.0.0_ga - repository u-boot-toradex branch 2015.04-toradex Known Issues: - display resolution can be set in the device tree - flashing the ubifs rootfs with U-Boot may fail on V1.0 HW ******************************************************************************** Linux Image V2.6 Beta 2 (June 30, 2016) - U-Boot boot loader: - synchronize/improve memory options - update: make setupdate self contained - net: increase maximum frame size to accommodate VLAN packets - read kernel and device tree from UBI volumes instead of rootfs - add RN5T567 PMIC support which enables reliable board reset - runtime detection of i.MX 7Solo/Dual to construct device tree name - add fdt_board variable and construct device tree name with carrier board name (e.g. imx7d-colibri-eval-v3.dtb) - fixed crash when starting USB on i.MX 7Solo - increase maximum temperature for booting linux - Linux kernel: - updated to 4.1.15 LTS long term stable Linux kernel as part of NXP/Freescale's 1.0.0 GA release - renamed device trees to add carrier board name as part of the device tree (e.g. imx7d-colibri-eval-v3.dtb) - resynchronized resistive touch driver AD7879 with upstream version - use PMIC for board reset (on reboot) - fix poweroff - fix clock control when Cortex-M4 is running - add MCP2515 and spidev to device tree (the former being the default) - added support for TouchRevolution Fusion capacitive multi-touch controller - Linux user-space: - trdx-extra.inc: add iperf3 to all images - florence: update to latest version 0.5.4, build without sound and drop gstreamer 0.10 dependency - alsa-state: add asound.state for Colibri iMX7 modules - OpenEmbedded build system: - further clean-up update.sh update script - angstrom-qt5-x11-image: add a recipe which deploys qt5 and starts a demo - sources git.toradex.com tag Colibri_iMX7_LinuxImageV2.6Beta2_20160701 - repository linux-toradex branch toradex_imx_4.1.15_1.0.0_ga - repository u-boot-toradex branch 2015.04-toradex Note: - A new boot schema using static UBI volumes has been introduced. Therefore downgrading is not directly possible. To downgrade a module, the UBI partition needs to be cleared manually using "nand erase.part ubi". Known Issues: - display resolution can be set in the device tree - flashing the ubifs rootfs with U-Boot may fail depending on HW ******************************************************************************** Linux Image V2.6 Alpha 1 (March 15, 2016) - U-Boot boot loader: - initial release - Linux kernel: - initial release - Linux user-space: - initial release - uses ARMv7 hard-float Thumb2 builds (armv7at2hf-vfp-neon) - sources git.toradex.com tag Colibri_iMX7_LinuxImageV2.6Alpha1_20160315 - repository linux-toradex branch toradex_imx_3.14.52_1.1.0_ga - repository u-boot-toradex branch 2015.04-toradex Known Issues: - poweroff and reboot does not work as expected - display resolution can be set in the device tree - flashing the ubifs rootfs with U-Boot may fail depending on HW - FreeRTOS firmwares for Cortex-M4 core cause Linux to freeze during boot-up (resolved in latest kernel version toradex_imx_3.14.52_1.1.0_ga-next branch) ******************************************************************************** Notes: - 115200 baud serial debug console on UARTA aka FFUART (lower X25 on EvalBoards resp. X27 on V3.1a depending on JP17/19, X13 on Iris) without any handshake - user account: root with empty password - UBIFS flash root file system - opkg package manager - Linux host used for update preparation requires proper 32-bit execution environment (e.g. install ia32-libs on 64-bit Ubuntu) and awk (e.g. install gawk on Ubuntu) Working on latest image: - U-Boot boot loader - environment storage in NAND flash - Ethernet - MMC/SD cards - NAND flash - RAM size auto detection - serial console debug UARTA - Toradex Colibri configuration block handling - module type auto detection - USB storage as host on USBH port (i.MX7 Dual only) - USB storage as host on USBC port - framebuffer support - Linux kernel - analogue audio playback and capture, resistive touch - analogue input via IIO framework /sys/bus/iio/devices/iio:device0 Note the 1.8 volt full scale limitation! - DVFS power management (i.MX 7Dual only) - Ethernet eth0 - serial number and board revision - custom Ethernet MAC address - framebuffer console - GPIOlib /sys/class/gpio - I2C via /dev/i2c-X - NAND flash MTD/UBI/UBIFS with hardware ECC - PWMs /sys/class/pwm - RTC (i.MX 7 internal and board level I2C RTC) - 4-bit MMC/SD card ESDHC2 - SPI (ECSPI) via /dev/spidev2.0, disabled in device tree - suspend LP1 - CPU temperature sensor via hwmon /sys/class/hwmon/hwmon0/temp1_input - serial console debug UARTA ttymxc0 - serial UARTA/UARTB and UARTC, including RTS/CTS, ttymxc0/1/2 - USB host port (Note, i.MX 7Solo only on USBC port) - USB audio driver - automatic USB device/host detection aka OTG support - CAN via MCP2515 on Evaluation Board - Linux user-space - graphics (LCDIF aka parallel RGB) - Firefox browser - LXDE desktop environment - Display: - backlight PWM with PWM - resolution setting via device tree nodes Not working or not tested: - U-Boot boot loader - USB keyboard - USB device firmware upgrade (DFU) as device on USB OTG port - Linux kernel - optional CAN via flexcan can0 and can1, disabled in device tree - IrDA - parallel bus - optional parallel camera interface - RS-485 - module temperature sensor - USB webcam - USB raw HID device /dev/hidrawX - USB device, ACM, Ethernet CDC, RNDIS - watchdog - Linux user-space - GPIO config tool not available ****************************************************************************** Toradex, April 19, 2017